diff options
Diffstat (limited to 'TOOLS/vf_dlopen/rectangle.c')
| -rw-r--r-- | TOOLS/vf_dlopen/rectangle.c | 367 |
1 files changed, 0 insertions, 367 deletions
diff --git a/TOOLS/vf_dlopen/rectangle.c b/TOOLS/vf_dlopen/rectangle.c deleted file mode 100644 index f0827c974b..0000000000 --- a/TOOLS/vf_dlopen/rectangle.c +++ /dev/null @@ -1,367 +0,0 @@ -/* - * Copyright (c) 2012 Rudolf Polzer <divVerent@xonotic.org> - * - * This file is part of mpv's vf_dlopen examples. - * - * mpv's vf_dlopen examples are free software; you can redistribute them and/or - * modify them under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of the - * License, or (at your option) any later version. - * - * mpv's vf_dlopen examples are distributed in the hope that they will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser - * General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with mpv's vf_dlopen examples; if not, write to the Free - * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <assert.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/wait.h> - -#include "vf_dlopen.h" -#include "filterutils.h" - -/* - * rectangle - * - * usage: --vf=dlopen=/path/to/rectangle.so - * - * provides an editable rectangle - * NOTE: unix only, and requires xterm to be installed. Don't ask. - */ - -typedef struct -{ - int x, y, w, h; - int step; - int inpid; - int infd; - int ansimode; - int rectmode; -} privdata; - -enum { - RECTMODE_LINES = 0, - RECTMODE_BOX, - RECTMODE_COUNT -}; - -static int put_image(struct vf_dlopen_context *ctx) -{ - privdata *priv = ctx->priv; - unsigned int p; - - assert(ctx->inpic.planes == ctx->outpic->planes); - - for (p = 0; p < ctx->outpic->planes; ++p) { - assert(ctx->inpic.planewidth[p] == ctx->outpic->planewidth[p]); - assert(ctx->inpic.planeheight[p] == ctx->outpic->planeheight[p]); - } - - char data; - while(read(priv->infd, &data, sizeof(data)) > 0) { - // printf("\nMODE: %d, CHAR: %d (%c)\n", priv->ansimode, data, data); - switch(priv->ansimode) { - case 0: // initial - switch(data) { - case 27: priv->ansimode = 1; break; - default: priv->ansimode = 0; break; - } - break; - case 1: // seen ESC - switch(data) { - case '[': priv->ansimode = 2; break; - default: priv->ansimode = 0; break; - } - break; - case 2: // seen ESC [ - switch(data) { - case 'D': priv->ansimode = 0; data = 'h'; break; // arrow - case 'B': priv->ansimode = 0; data = 'j'; break; // arrow - case 'A': priv->ansimode = 0; data = 'k'; break; // arrow - case 'C': priv->ansimode = 0; data = 'l'; break; // arrow - case 'd': priv->ansimode = 0; data = 'H'; break; // rxvt shift-arrow - case 'b': priv->ansimode = 0; data = 'J'; break; // rxvt shift-arrow - case 'a': priv->ansimode = 0; data = 'K'; break; // rxvt shift-arrow - case 'c': priv->ansimode = 0; data = 'L'; break; // rxvt shift-arrow - case '1': priv->ansimode = 3; break; - default: priv->ansimode = -1; break; - } - break; - case 3: // seen ESC [ 1 - switch(data) { - case ';': priv->ansimode = 4; break; - default: priv->ansimode = -1; break; - } - break; - case 4: // seen ESC [ 1 ; - switch(data) { - case '2': priv->ansimode = 5; break; - default: priv->ansimode = -1; break; - } - break; - case 5: // seen ESC [ 1 ; 2 - switch(data) { - case 'D': priv->ansimode = 0; data = 'H'; break; // xterm shift-arrow - case 'B': priv->ansimode = 0; data = 'J'; break; // xterm shift-arrow - case 'A': priv->ansimode = 0; data = 'K'; break; // xterm shift-arrow - case 'C': priv->ansimode = 0; data = 'L'; break; // xterm shift-arrow - default: priv->ansimode = -1; break; - } - break; - case -1: // wait for end of ESC [ sequence - if((data > '9' || data < '0') && (data != ';')) { - priv->ansimode = 0; - data = 0; // do not process - } - break; - } - - if(priv->ansimode == 0) { - switch(data) { - case 'h': case 'D': priv->x -= priv->step; priv->w += priv->step; break; - case 'j': case 'B': priv->y += priv->step; priv->h -= priv->step; break; - case 'k': case 'A': priv->y -= priv->step; priv->h += priv->step; break; - case 'l': case 'C': priv->x += priv->step; priv->w -= priv->step; break; - case 'H': case 'd': priv->w -= priv->step; break; - case 'J': case 'b': priv->h += priv->step; break; - case 'K': case 'a': priv->h -= priv->step; break; - case 'L': case 'c': priv->w += priv->step; break; - case ' ': priv->step ^= 9; break; - case 9: ++priv->rectmode; priv->rectmode %= RECTMODE_COUNT; break; - } - } - } - - // apply limits - if(priv->x < 0) { - priv->w += priv->x; - priv->x = 0; - } - if(priv->y < 0) { - priv->h += priv->y; - priv->y = 0; - } - if(priv->w < 0) { - priv->w = 0; - } - if(priv->h < 0) { - priv->h = 0; - } - if(priv->x >= (int) ctx->inpic.planewidth[0]) { - priv->x = ctx->inpic.planewidth[0] - 1; - } - if(priv->y >= (int) ctx->inpic.planeheight[0]) { - priv->y = ctx->inpic.planeheight[0] - 1; - } - if(priv->x + priv->w > (int) ctx->inpic.planewidth[0]) { - priv->w = ctx->inpic.planewidth[0] - priv->x; - } - if(priv->y + priv->h > (int) ctx->inpic.planeheight[0]) { - priv->h = ctx->inpic.planeheight[0] - priv->y; - } - - // apply step - priv->x = ((priv->x + priv->step - 1) / priv->step) * priv->step; - priv->y = ((priv->y + priv->step - 1) / priv->step) * priv->step; - priv->w = (priv->w / priv->step) * priv->step; - priv->h = (priv->h / priv->step) * priv->step; - - // print - printf("\nRECTANGLE: -vf crop=%d:%d:%d:%d\n", priv->w, priv->h, priv->x, priv->y); - - // copy picture - for (p = 0; p < ctx->outpic->planes; ++p) { - copy_plane( - ctx->outpic->plane[p], ctx->outpic->planestride[p], - ctx->inpic.plane[p], ctx->inpic.planestride[p], - ctx->inpic.planewidth[p], ctx->inpic.planeheight[p] - ); - } - ctx->outpic->pts = ctx->inpic.pts; - - // draw rectangle -#define PUT_PIXEL(x,y) \ - do { \ - int x_ = (x); \ - int y_ = (y); \ - if(x_ >= 0 && y_ >= 0 && x_ < (int) ctx->outpic->planewidth[0] && y_ < (int) ctx->outpic->planeheight[0]) { \ - ctx->outpic->plane[0][y_ * ctx->outpic->planestride[0] + x_] ^= 0x80; \ - } \ - } while(0) - switch(priv->rectmode) { - case RECTMODE_LINES: - { - unsigned int i; - unsigned int n; - if(priv->w > priv->h) - n = priv->h / 3; - else - n = priv->w / 3; - if(n > 64) - n = 64; - for (i = 0; i < n; ++i) { - // topleft - PUT_PIXEL(priv->x + i, priv->y); - if(i) - PUT_PIXEL(priv->x, priv->y + i); - // topright - PUT_PIXEL(priv->x + priv->w - 1 - i, priv->y); - if(i) - PUT_PIXEL(priv->x + priv->w - 1, priv->y + i); - // bottomright - PUT_PIXEL(priv->x + priv->w - 1 - i, priv->y + priv->h - 1); - if(i) - PUT_PIXEL(priv->x + priv->w - 1, priv->y + priv->h - 1 - i); - // bottomleft - PUT_PIXEL(priv->x + i, priv->y + priv->h - 1); - if(i) - PUT_PIXEL(priv->x, priv->y + priv->h - 1 - i); - } - } - break; - case RECTMODE_BOX: - { - int x, y; - for(y = 0; y < priv->y; ++y) { - for(x = 0; x < (int) ctx->outpic->planewidth[0]; ++x) { - PUT_PIXEL(x, y); - } - } - for(y = priv->y; y < priv->y + priv->h; ++y) { - for(x = 0; x < priv->x; ++x) { - PUT_PIXEL(x, y); - } - for(x = priv->x + priv->w; x < (int) ctx->outpic->planewidth[0]; ++x) { - PUT_PIXEL(x, y); - } - } - for(y = priv->y + priv->h; y < (int) ctx->outpic->planeheight[0]; ++y) { - for(x = 0; x < (int) ctx->outpic->planewidth[0]; ++x) { - PUT_PIXEL(x, y); - } - } - } - break; - } - - return 1; -} - -int config(struct vf_dlopen_context *ctx) -{ - privdata *priv = ctx->priv; - if(priv->w == 0 || priv->h == 0) { - priv->x = 0; - priv->y = 0; - priv->w = ctx->in_width; - priv->h = ctx->in_height; - } - printf("\nRECTANGLE: reconfigured\n"); - - if(priv->inpid == 0) { - int fd[2]; - if(pipe(fd)) { - perror("pipe"); - return -1; - } - priv->inpid = fork(); - if(priv->inpid < 0) { - perror("fork"); - return -1; - } - if(priv->inpid == 0) { - close(fd[0]); - if(fd[1] != 3) { - dup2(fd[1], 3); - close(fd[1]); - } - execlp("xterm", "xterm", - "-geometry", "40x10", - "-e", - "echo \"rectangle.so control window\";" - "echo \"\";" - "echo \"Arrow or hjkl: top left corner\";" - "echo \"Shift-Arrow or HJKL: bottom right corner\";" - "echo \"SPACE: toggle 8-px alignment\";" - "echo \"TAB: toggle rectangle display\";" - "echo \"\";" - "stty raw -echo;" - "cat >&3", - NULL - ); - _exit(1); - } - close(fd[1]); - priv->infd = fd[0]; - int flags; - if(fcntl(priv->infd, F_GETFL, &flags)) { - perror("fcntl F_GETFL"); - close(priv->infd); - kill(priv->inpid, SIGTERM); - waitpid(priv->inpid, NULL, 0); - priv->inpid = 0; - } - flags |= O_NONBLOCK; - if(fcntl(priv->infd, F_SETFL, flags)) { - perror("fcntl F_SETFL"); - close(priv->infd); - kill(priv->inpid, SIGTERM); - waitpid(priv->inpid, NULL, 0); - priv->inpid = 0; - } - } - - return 1; -} - -void uninit(struct vf_dlopen_context *ctx) -{ - privdata *priv = ctx->priv; - if(priv->inpid) { - close(priv->infd); - kill(priv->inpid, SIGTERM); - waitpid(priv->inpid, NULL, 0); - priv->inpid = 0; - } - printf("\nRECTANGLE: finished\n"); - free(priv); -} - -int vf_dlopen_getcontext(struct vf_dlopen_context *ctx, int argc, const char **argv) -{ - VF_DLOPEN_CHECK_VERSION(ctx); - (void) argc; - (void) argv; - static struct vf_dlopen_formatpair map[] = { - { "yuv420p", "yuv420p" }, - { NULL, NULL } - }; - privdata *priv = calloc(1,sizeof(privdata)); - priv->step = 8; - if(argc >= 1) - priv->w = atoi(argv[0]); - if(argc >= 2) - priv->h = atoi(argv[1]); - if(argc >= 3) - priv->x = atoi(argv[2]); - if(argc >= 4) - priv->y = atoi(argv[3]); - ctx->priv = priv; - ctx->format_mapping = map; - ctx->config = config; - ctx->put_image = put_image; - ctx->uninit = uninit; - return 1; -} |